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Optical Element Retaining Ring NSN 1240-00-211-7182

Item Description

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

NSN 1240-00-211-7182 NSN: 1240-00-211-7182

Features and Characteristics

Overall Length
Between 0.081 inches and 0.101 inches
Outside Diameter
Between 2.740 inches and 2.760 inches
Aperture Diameter
Between 1.960 inches and 1.980 inches
Mounting Configuration
Six 0.169 in. Diameter mounting holes equally spaced on 2.375 in. Dia
Internal Flange Thickness
Between 0.081 inches and 0.101 inches
Knurled Periphery
Not provided
Material
Aluminum alloy
Material
Aluminum alloy
Fsc Application Data
Aircraft gunnery fire control equipment
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
002117182
NSN
1240002117182

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
435-11-3019
Cage Code:
82577
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9803200000
  • NAICS: 990000
  • SITC: 93100
  • Description: Military equipments not identified by kind
  • End Use (Code 50060):
    Military apparel and footwear

Q & A

Frequently asked questions for NSN 1240-00-211-7182
What are the manufacturers of nsn 1240002117182?
Does this nsn 1240002117182 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240002117182
A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. it may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. for externally threaded items, see retainer, optical element. excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.
Does nsn 1240002117182 contain any precious metals?
No precious metal content.
Does nsn 1240002117182 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240002117182?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22585
FIIG:
T271-J
App. Key:
JC
Cond. Code:
2
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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